Fix deprecation warnings in CI

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install compilers
         run: |
@@ -22,7 +22,7 @@ jobs:
           ./bundle_migration_plugin.sh
 
       - name: Upload
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with: 
           name: calibre-plugins
           path: |
@@ -32,7 +32,7 @@ jobs:
   test-ubuntu-2004:
     runs-on: ubuntu-20.04
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install dependencies
         run: |
@@ -41,7 +41,7 @@ jobs:
           # Install Python2 stuff
           curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
           python2 get-pip.py
-          pip2 install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1
+          pip2 --no-python-version-warning install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1
 
       - name: Run tests (Python 3)
         run: |
@@ -54,7 +54,7 @@ jobs:
   test-ubuntu-2204-oscrypto:
     runs-on: ubuntu-22.04
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install dependencies
         run: |
@@ -65,7 +65,7 @@ jobs:
           curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
           sudo apt install python2
           python2 get-pip.py
-          pip2 install freezegun mock lxml pycryptodome "rsa<=4.3" "oscrypto>1.3.0" cryptography==3.1
+          pip2 --no-python-version-warning install freezegun mock lxml pycryptodome "rsa<=4.3" "oscrypto>1.3.0" cryptography==3.1
 
       - name: Run tests (Python 3)
         run: |
@@ -78,7 +78,7 @@ jobs:
   test-ubuntu-2204-oscrypto-fork:
     runs-on: ubuntu-22.04
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install dependencies
         run: |
@@ -90,8 +90,8 @@ jobs:
           curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
           sudo apt install python2
           python2 get-pip.py
-          pip2 install freezegun mock lxml pycryptodome "rsa<=4.3" cryptography==3.1
-          pip2 install https://github.com/Leseratte10/acsm-calibre-plugin/releases/download/config/oscrypto_1.3.0_fork_fe39273cc5020.zip
+          pip2 --no-python-version-warning install freezegun mock lxml pycryptodome "rsa<=4.3" cryptography==3.1
+          pip2 --no-python-version-warning install https://github.com/Leseratte10/acsm-calibre-plugin/releases/download/config/oscrypto_1.3.0_fork_fe39273cc5020.zip
 
       - name: Run tests (Python 3)
         run: |
@@ -105,7 +105,7 @@ jobs:
   test-windows:
     runs-on: windows-2022
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       
       - name: Install dependencies
         run: |
@@ -126,7 +126,7 @@ jobs:
       - name: Install deps for Python 2
         run: |
           # Install Python2 stuff
-          python -m pip install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1 
+          python -m pip --no-python-version-warning install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1 
 
       - name: Run tests (Python 2)
         run: |
@@ -137,7 +137,7 @@ jobs:
   test-mac:
     runs-on: macos-11
     steps: 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       
       - name: Install dependencies
         run: |
@@ -146,7 +146,7 @@ jobs:
           # Install Python2 stuff
           curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
           python2 get-pip.py
-          pip2 install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1
+          pip2 --no-python-version-warning install freezegun mock lxml pycryptodome "rsa<=4.3" oscrypto cryptography==3.1
 
       - name: Run tests (Python 3)
         run: |