feat: add jsonnet and jsonnet-lint packages

Add RPM packages for jsonnet v0.21.0 built from go-jsonnet:
- jsonnet: main interpreter and jsonnetfmt formatter
- jsonnet-lint: linter for Jsonnet files

Both packages use Go 1.24.7 as required by go-jsonnet v0.21.0.

rpms/jsonnet/resources/build.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/bash
+
+# Install dependencies and Go 1.24
+dnf install -y wget git make
+
+# Download and install Go 1.24.7
+wget https://go.dev/dl/go1.24.7.linux-amd64.tar.gz
+rm -rf /usr/local/go
+tar -C /usr/local -xzf go1.24.7.linux-amd64.tar.gz
+export PATH=/usr/local/go/bin:$PATH
+
+# Verify Go installation
+go version
+
+# Build jsonnet binaries
+GOBIN=/app go install github.com/google/go-jsonnet/cmd/jsonnet@v${PACKAGE_VERSION}
+GOBIN=/app go install github.com/google/go-jsonnet/cmd/jsonnetfmt@v${PACKAGE_VERSION}
+
+# Build RPM package
+nfpm pkg --config /app/resources/nfpm.yaml --target /app/dist --packager rpm