Release pipelines: update images

Replace trigger by workflow_dispatch

Author: baylej

.github/workflows/release.yaml

@@ -1,9 +1,7 @@
 name: Release
 
 on:
-  push:
-    tags:
-      - tmx_** # Releases
+  workflow_dispatch:
 
 env:
   # Latest (2.9.10): https://gitlab.gnome.org/GNOME/libxml2/-/issues/154
@@ -20,12 +18,12 @@ env:
 jobs:
   linux64:
     name: Linux 64 Build
-    runs-on: ubuntu-16.04
+    runs-on: ubuntu-20.04
     steps:
       # context expressions lack the most basic string manipulation functions...
       - name: Create distribution folder
         run: |
-          ARTIFACT_NAME=${GITHUB_REF:10}-linux
+          ARTIFACT_NAME=$(git describe --tags --abbrev=0)-linux
           DIST_PATH=${GITHUB_WORKSPACE}/${ARTIFACT_NAME}
           echo "ARTIFACT_NAME=${ARTIFACT_NAME}" >> $GITHUB_ENV
           echo "DIST_PATH=${DIST_PATH}" >> $GITHUB_ENV
@@ -88,7 +86,7 @@ jobs:
     steps:
       - name: Create distribution folder
         run: |
-          ARTIFACT_NAME=${GITHUB_REF:10}-html5
+          ARTIFACT_NAME=$(git describe --tags --abbrev=0)-html5
           DIST_PATH=${GITHUB_WORKSPACE}/${ARTIFACT_NAME}
           echo "ARTIFACT_NAME=${ARTIFACT_NAME}" >> $GITHUB_ENV
           echo "DIST_PATH=${DIST_PATH}" >> $GITHUB_ENV
@@ -150,11 +148,11 @@ jobs:
 
   windows:
     name: Windows Build
-    runs-on: windows-2016
+    runs-on: windows-2019
     steps:
       - name: Create distribution folder
         run: |
-          $ARTIFACT_NAME=$($Env:GITHUB_REF).substring(10) + "-win"
+          $ARTIFACT_NAME=(git describe --tags --abbrev=0) -join "-win"
           echo "ARTIFACT_NAME=$ARTIFACT_NAME" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
           $DIST_PATH="$($Env:GITHUB_WORKSPACE)\$ARTIFACT_NAME"
           echo "DIST_PATH=$DIST_PATH" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append