feat: enhance array union handling and operation mapping; various fix…

…es and improvements (#1227)

-  Added support for unions of arrays in PHP
- Introduced capability for operations to map exclusively to a data
source or resource
 - Fixed stale filepath reference in readme
 - Updated Python EOL policy
- Updated snapshot test guide for better clarity - Bumped
`testbench-orchestra` version to address security

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/sethvargo/go-githubactions v1.1.0
 	github.com/speakeasy-api/huh v1.1.2
-	github.com/speakeasy-api/openapi-generation/v2 v2.493.34
+	github.com/speakeasy-api/openapi-generation/v2 v2.495.0
 	github.com/speakeasy-api/openapi-overlay v0.9.0
 	github.com/speakeasy-api/sdk-gen-config v1.30.1
 	github.com/speakeasy-api/speakeasy-client-sdk-go/v3 v3.19.1

go.sum

@@ -577,8 +577,8 @@ github.com/speakeasy-api/libopenapi v0.0.0-20241006201546-c9e5f704a939 h1:LGtzWU
 github.com/speakeasy-api/libopenapi v0.0.0-20241006201546-c9e5f704a939/go.mod h1:9ap4lXBHgxGyFwxtOfa+B1C3IQ0rvnqteqjJvJ11oiQ=
 github.com/speakeasy-api/openapi v0.1.6 h1:bpBiJ9P4hSVv2Vddk+ny6zeytPsDq0ttxl6DLAwC0zo=
 github.com/speakeasy-api/openapi v0.1.6/go.mod h1:t1HA3wPC8jpGRr0UHW+SIvIB8dT5RXXi39XLrIG/URU=
-github.com/speakeasy-api/openapi-generation/v2 v2.493.34 h1:yY7MAAakTXK6a7PF0NzOzQPRnOgBVXfAoZiPTON4pcU=
-github.com/speakeasy-api/openapi-generation/v2 v2.493.34/go.mod h1:UfxZg41QiMEatXCSx7ILW4ErOHMlgGEAlJeSVxf5AZo=
+github.com/speakeasy-api/openapi-generation/v2 v2.495.0 h1:cjlEebn+DU2m1F2vbK1NHrsh2oLVvB4PNJaAn3xTpK8=
+github.com/speakeasy-api/openapi-generation/v2 v2.495.0/go.mod h1:UfxZg41QiMEatXCSx7ILW4ErOHMlgGEAlJeSVxf5AZo=
 github.com/speakeasy-api/openapi-overlay v0.9.0 h1:Wrz6NO02cNlLzx1fB093lBlYxSI54VRhy1aSutx0PQg=
 github.com/speakeasy-api/openapi-overlay v0.9.0/go.mod h1:f5FloQrHA7MsxYg9djzMD5h6dxrHjVVByWKh7an8TRc=
 github.com/speakeasy-api/sdk-gen-config v1.30.1 h1:61gH9i7ZRL2FDpPIkYMY+PmuQjnvUhhBuLTJp8FrNIU=