Update sbt to 1.7.3 (#2756)

* Update sbt to 1.7.3

* Regenerate GitHub Actions workflow

Executed command: sbt githubWorkflowGenerate

Author: scala-steward

.github/workflows/ci.yml

@@ -83,7 +83,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.16]
+        scala: [2.12.17]
         java: [adopt-hotspot@8]
     runs-on: ${{ matrix.os }}
     steps:

project/build.properties

@@ -1 +1 @@
-sbt.version=1.7.2
+sbt.version=1.7.3