Add lots more membrowse platforms

[LinuxJedi]

Lots more ARM Cortex, RiscV, AArch64, linuxkm and some Zephyr

[Copilot]

Pull request overview

This PR expands Membrowse coverage by adding many new build targets (ARM Cortex variants, RISC-V, AArch64, linuxkm) and wiring Zephyr 4.x builds into Membrowse by reusing artifacts from the existing Zephyr CI workflow rather than rebuilding in the Membrowse job.

Changes:

• Upload selected Zephyr 4.x build artifacts (zephyr.elf + linker.cmd) for downstream Membrowse analysis.
• Add a new workflow_run-triggered workflow to download Zephyr artifacts and submit them to Membrowse.
• Extend .github/membrowse-targets.json with many additional embedded/arch/linuxkm targets.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
.github/workflows/zephyr-4.x.yml	Uploads selected Zephyr build artifacts for Membrowse consumption.
.github/workflows/membrowse-zephyr.yml	New workflow to download Zephyr artifacts from the completed Zephyr CI run and submit to Membrowse.
.github/scripts/zephyr-4.x/zephyr-test.sh	Stages zephyr.elf and linker.cmd to a bind-mounted artifacts directory for CI upload.
.github/membrowse-targets.json	Adds many new Membrowse targets spanning ARM Cortex, RISC-V, AArch64, and linux kernel module builds.

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[github-actions]

MemBrowse Memory Report

gcc-arm-cortex-m4

• FLASH: .text -64 B (-0.1%, 197,486 B / 262,144 B, total: 75% used)
• RAM: .bss +8 B (+1.0%, 836 B / 65,536 B, total: 1% used)

gcc-arm-cortex-m4-baremetal

• FLASH: .text +384 B (+0.6%, 65,291 B / 262,144 B, total: 25% used)
• RAM: .bss +36 B (+5.6%, 680 B / 65,536 B, total: 1% used)

gcc-arm-cortex-m4-min-ecc

• FLASH: .text -64 B (-0.2%, 60,269 B / 262,144 B, total: 23% used)
• RAM: .bss +8 B (+1.2%, 676 B / 65,536 B, total: 1% used)

gcc-arm-cortex-m4-tls12

• FLASH: .text -128 B (-0.2%, 120,845 B / 262,144 B, total: 46% used)
• RAM: .bss +8 B (+1.0%, 816 B / 65,536 B, total: 1% used)
  No memory changes detected for:
• gcc-arm-cortex-m0plus
• gcc-arm-cortex-m3
• gcc-arm-cortex-m4-crypto-only
• gcc-arm-cortex-m4-dtls13
• gcc-arm-cortex-m4-openssl-compat
• gcc-arm-cortex-m4-pkcs7
• gcc-arm-cortex-m4-pq
• gcc-arm-cortex-m4-rsa-only
• gcc-arm-cortex-m4-sp-math
• gcc-arm-cortex-m4-tls13
• gcc-arm-cortex-m7
• gcc-arm-cortex-m7-pq
• gcc-arm-cortex-m7-tls13
• linuxkm-pie
• linuxkm-standard
• stm32-sim-stm32h753

[dgarske]

Please make sure the new membrowse-zephyr has the fixes from #10538 Thanks!

[LinuxJedi]

Please make sure the new membrowse-zephyr has the fixes from #10538 Thanks!

Done