Go 1.22.3 Binaries for v9.9

Updates for OR-Tools v9.9

• Fix SWIG typemaps for std::vector using int
• Expose RoutingIndexManager GetStartIndex/GetEndIndex
• Add absolute rpath to libgoortools for Mac
• Bump to go 1.22.3
• Bump to protobuf v1.34.1

Go 1.22.1 Binaries for v9.9

Updates for OR-Tools v9.9

• Upgrade to protobuf v1.33.0, go 1.22.1
• Update Airspace readme
• Add CPDPTW example for Go
• Add Go support for AtSolutionCallback
• Change to absolute install path for Go shared lib Mac (v14.4.1) binary

Go 1.21.0 Binaries for v9.8

Updates for OR-Tools v9.8

• Reworked build/release process
• Refactored Go package path
• Create universal Mac binaries from arm64 and x86_64
• Upgrade to SWIG 4.1.1, protoc v4.25.0, protoc-gen-go v1.28.1, go 1.21
• Update Airspace readme

Go 1.17.6 Binaries for v9.2

Updates for OR-Tools v9.2

• Go compatibility
• Update AIRSPACE-README.md

Go 1.16.3 Binaries for v9.0

Updates for OR-Tools v9.0

 * Use cstdint type (e.g. `int64_t`)
 * Update `AIRSPACE-README.md` for Mac binary link

Go 1.16.3 Binaries for v8.2

Updates for OR-Tools v8.2

 * Update go protobuf -> `1.5.2`
 * Update go -> `1.16.3`
 * Makefile, Go Dockerfile, + Airspace Readme updates

Go 1.14.1 Binaries for v7.6

Merge pull request #6 from AirspaceTechnologies/AT-8842

AT-8842: README + SWIG 4.0.1