Add support for the crypto refresh in v2 (#265)

This commit adds support for the OpenPGP crypto-refresh.
- Updates go-crypto dependency to v1.1.0-alpha.1
- Adapts the session key logic to handle PKESK/SKESK v6 packets without an algorithm attached
- Updates the min go version to 1.17 as requires by  go-crypto v1.1.0-alpha.1
- Update the cricl dependency to 1.3.7 matching go-crypto
Not supported:
- crypto-refresh intended recipients
- v6 key generation

.github/workflows/sop-test-suite.yml

@@ -46,7 +46,7 @@ jobs:
     name: Run interoperability test suite
     runs-on: ubuntu-latest
     container: 
-      image: ghcr.io/protonmail/openpgp-interop-test-docker:v1.1.1
+      image: ghcr.io/protonmail/openpgp-interop-test-docker:v1.1.4
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}
@@ -117,7 +117,7 @@ jobs:
         with:
           name: test-suite-results.json
       - name: Compare with baseline
-        uses: ProtonMail/openpgp-interop-test-analyzer@v1
+        uses: ProtonMail/openpgp-interop-test-analyzer@5d7f4b6868ebe3bfc909302828342c461f5f4940
         with: 
           results: ${{ steps.download-test-results.outputs.download-path }}/test-suite-results.json
           output: baseline-comparison.json