ci: package and publish Keyshot plugin to the GitHub release

Signed-off-by: Charles Moore <moorec@amazon.com>

.github/actions/bump_precommit_hook/action.yml

@@ -0,0 +1,16 @@
+inputs:
+  semver:
+    required: true
+    type: string
+
+runs:
+  using: composite
+  steps:
+  - name: Update plugin Version
+    shell: bash
+    run: |
+      sed -i "s/^# VERSION.*/# VERSION ${{inputs.semver}}/" ./src/deadline/keyshot_submitter/Submit\ to\ AWS\ Deadline\ Cloud.py
+      major=$(printf ${{inputs.semver}} | cut -d '.' -f1)
+      minor=$(printf ${{inputs.semver}} | cut -d '.' -f2)
+      sed -i "s/keyshot-openjd=[0-9]*.[0-9]*.\\*/keyshot-openjd=$major.$minor.\\*/" ./src/deadline/keyshot_submitter/Submit\ to\ AWS\ Deadline\ Cloud.py
+      git add ./src/deadline/keyshot_submitter/Submit\ to\ AWS\ Deadline\ Cloud.py 

.github/actions/prepush_release_hook/action.yml

@@ -0,0 +1,18 @@
+inputs:
+  semver:
+    required: true
+    type: string
+  tag:
+    required: true
+    type: string
+
+runs:
+  using: composite
+  steps:
+  - name: Zip submitter plugin
+    shell: bash
+    run: |
+      mkdir dist_extras
+      cd src/deadline/keyshot_submitter
+      zip -r  ../../../dist_extras/keyshot_submitter_plugin_${{inputs.semver}}.zip .
+      cd ../../../