Change CI  workflow to skip publishing if PR spawned by dependabot

* Define P4Runtime API support for tables with initial entries

* Add TODO asking whether the format for the contents of entries files
should be specified in the P4Runtime spec.

* Fix a couple of things found by linter and compiling protobuf

* Update autogenerated files

* Document that TableEntry const field must be false in write requests

* Add an appendix describing the contents of entries files generated by p4c

* Clarify some wording.

* Fix Madoko lint check

* Replace TODO with cross reference to new appendix on entries files
and clean up Madoko formatting in that appendix.

* Replace TODO with an optimistic footnote.

* Propose that TableEntry has new field const true for const entries
and also for const default_action

* Update auto-generated files

* Define has_initial_entries to be true for tables with `const entries`
Also fix a couple of spelling typos.

* Update auto-generated files

* Address several review comments

* Address some more review comments.

* Update auto-generated files again

* Slight change in definition of has_initial_entries flag
Propose that it is true if and only if the table property `entries` is
present, _and_ the list of entries is not empty.

* Update auto-generated files

* Add "added in 1.4.0" notes to the two new fields

* Clarify the description of the content of an entries file

* Fix a typo, and add is_const field to list of TableEntry fields

* Address review comment in new appendix

* Fix p4lang#434: Remove obsolete TODO section in README
Update the link to the auto-generated versions of the P4Runtime
specification on the P4.org web site.

Update the section "P4 Language Version Applicability" to version
1.2.4 of the P4_16 language specification, but list 3 known exceptions
of features that have not been explicitly addressed yet.

* Add P4_16 v1.2.4 language spec features that may need addressing
in a future version of the P4Runtime API specification.

* Update discussion of entry priorities in constant tables

* Correct description of entry priority for constant tables

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.9.0 to 0.17.0.
- [Commits](golang/net@v0.9.0...v0.17.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

)

* Remove 4 P4 language spec compatibility issues from the list
During 2023-Sep-08 P4.org API work group meeting, it was agreed that
there are no changes required to the P4Runtime API specification to be
compatible with these updates in the language spec.

* Add clarifying behavior of table with no `key` property back in
since there are potentially open issues around p4c implementation and
how it generates size field of tables in P4Info files that should be
considered before considering that issue resolved.

Same role as the metadata field for table entry

…he workspace. (p4lang#460)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.56.1 to 1.56.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.56.1...v1.56.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

…ic-table-dev