CI: use dnscrypt-proxy 2.1.2 and update some GitHub actions (#780)

* Update ci.yml
* Update prcheck.sh
* Update prcheck.yml
* Update resolverscheck.yml

.github/workflows/ci.yml

@@ -11,11 +11,11 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: check with dnscrypt-proxy
         run: |
-          curl -qL https://github.com/jedisct1/dnscrypt-proxy/releases/download/2.1.1/dnscrypt-proxy-linux_x86_64-2.1.1.tar.gz | tar xzvf -
+          curl -qL https://github.com/jedisct1/dnscrypt-proxy/releases/download/2.1.2/dnscrypt-proxy-linux_x86_64-2.1.2.tar.gz | tar xzvf -
           cp v3/* linux-x86_64
           cd linux-x86_64
           cp example-dnscrypt-proxy.toml dnscrypt-proxy.toml

.github/workflows/prcheck.sh

@@ -74,7 +74,7 @@ if [ ! -s "$NEW_ENTRIES" ]; then
     exit 0
 fi
 
-curl -qL https://github.com/jedisct1/dnscrypt-proxy/releases/download/2.1.1/dnscrypt-proxy-linux_x86_64-2.1.1.tar.gz | tar xzvf -
+curl -qL https://github.com/jedisct1/dnscrypt-proxy/releases/download/2.1.2/dnscrypt-proxy-linux_x86_64-2.1.2.tar.gz | tar xzvf -
 cd linux-x86_64 || exit 1
 
 exit_code=0

.github/workflows/prcheck.yml

@@ -11,7 +11,7 @@ jobs:
   prcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: new entries
         run: .github/workflows/prcheck.sh

.github/workflows/resolverscheck.yml

@@ -11,7 +11,7 @@ jobs:
   resolverscheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: resolvers check
         run: .github/workflows/resolverscheck.sh