update CI's Ubuntu version to 22.04 (#183)

.github/workflows/feature.yml

@@ -63,7 +63,7 @@ jobs:
 
 
   linuxbuild:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: flucoma/actions/env@main

.github/workflows/nightly.yaml

@@ -60,7 +60,7 @@ jobs:
 
 
   linuxbuild:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
       - uses: flucoma/actions/env@main
@@ -77,7 +77,7 @@ jobs:
           path: install/FluCoMa-SC-Linux-x64-nightly.tar.gz
   
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [macbuild, winbuild, linuxbuild]
     steps:
       

.github/workflows/release.yml

@@ -53,7 +53,7 @@ jobs:
           path: install/FluCoMa-SC-Windows-x64.zip 
 
   linuxbuild:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     outputs:
       version: ${{ steps.get-version.outputs.version }}
     steps:
@@ -77,7 +77,7 @@ jobs:
         working-directory: build/_deps/flucoma-core-src
   
   release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [macbuild, winbuild, linuxbuild]
     
     steps: