Bump cortex-m-rt from 0.6.12 to 0.7.0

[dependabot[bot]]

Bumps cortex-m-rt from 0.6.12 to 0.7.0.

Changelog

Sourced from cortex-m-rt's changelog.

[v0.7.0]

New Features

• Add support for CMSE secure gateway veneers (#297).
• Allow using the crate with custom target JSON specs (#304).
• Export Exception enum for other crates to use (#224)

#224: rust-embedded/cortex-m-rt#224 #297: rust-embedded/cortex-m-rt#297 #304: rust-embedded/cortex-m-rt#304

Fixes

• Various fixes to the linker script (#265, #286, #287, #323).
• Use the correct ABI for the main symbol (#278).
• Add barriers after FPU enabling (#279).
• (ARMv6-M) Set LR value to a known value on reset (#[293])
• Added CFI and size info to external assembly subroutines (HardFaultTrampoline and FpuTrampoline) (#294)
• Allow building the crate for macOS targets (#306, #310).
• Perform RAM initialization in assembly, to avoid potential UB in Rust (#301).
• Perform volatile reads of ICSR in DefaultHandler (#[315])

#265: rust-embedded/cortex-m-rt#265 #278: rust-embedded/cortex-m-rt#278 #279: rust-embedded/cortex-m-rt#279 #286: rust-embedded/cortex-m-rt#286 #287: rust-embedded/cortex-m-rt#287 #293: rust-embedded/cortex-m-rt#293 #294: rust-embedded/cortex-m-rt#294 #301: rust-embedded/cortex-m-rt#301 #306: rust-embedded/cortex-m-rt#306 #310: rust-embedded/cortex-m-rt#310 #315: rust-embedded/cortex-m-rt#315 #323: rust-embedded/cortex-m-rt#323

Breaking Changes

• Make ExceptionFrames fields private, adding setters and getters instead (#239).
• Only allow certain attributes on handlers, and apply them to the trampoline too (#228).
• Make it unsafe to define exception handlers for NMIs (#289).
• Check that exceptions exist on the target chip when registering a handler for them (#308).

#239: rust-embedded/cortex-m-rt#239 #228: rust-embedded/cortex-m-rt#228 #289: rust-embedded/cortex-m-rt#289 #308: rust-embedded/cortex-m-rt#308

... (truncated)

Commits

• 4998bf6 Merge #330
• 83c38f0 Only run tests on stable and nightly, not MSRV.
• cfbab3f Prepare for v0.7.0
• a2e3ad5 Merge #324
• 3fd4c1c bump version to 0.6.13
• c7b26c5 Merge #323
• 9805134 link.x.in: move sgstubs after data
• 3effe06 link.x.in: put most __[se] symbols back into sections
• 5abe5a1 Merge #321
• dc1ec85 Minor documentation fix.
• Additional commits viewable in compare view

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