Build(deps): Bump third_party/opentitan from `07e0526` to `3cf9984` #5720

Job	Run time
Build sv2v	2m 7s
Build Binaries	4m 50s
Style check	2m 6s
Emit Workflow Info	0s
Build Binaries (for Debian)	4m 48s
Build Binaries (ASAN)	8m 32s
Test "Installation from source" from README	50m 14s
Upload GHA event file	6s
Test With Packaged Yosys	2m 40s
Test With Bundled Yosys	3m 21s
Large Designs Tests / Ibex (Vivado synthesis)	6m 30s
Large Designs Tests / Ibex (F4PGA synthesis)	11m 14s
Large Designs Tests / Opentitan 9d82960888 (synthesis)	41m 29s
Large Designs Tests / Opentitan parsing (full/top-down)	3m 6s
Large Designs Tests / Opentitan (synthesis)	2m 42s
Large Designs Tests / Opentitan parsing (quick)	3m 14s
Large Designs Tests / VeeR-EH1 (synthesis)	7m 14s
Diff generated BSG Micro Designs tests / Parse and diff BSG Micro Designs	10m 12s
Large Designs Tests / Black Parrot (ASIC synthesis)	45m 41s
Large Designs Tests / Black Parrot (AMD (Xilinx) FPGA synthesis)	17m 52s
Formal Verification Tests / simple	14m 59s
Formal Verification Tests / sv2v	19m 55s
Parsing Tests / SystemVerilog Plugin	30m 59s
Parsing Tests / Surelog	22m 54s
Formal Verification Tests / yosys	17m 26s
Formal Verification Tests / Passlist Check	1m 38s
Parsing Tests / Summary Generation	1m 16s
Parsing Tests / Generate AST diff	5m 12s
Release Package	0s
Release Package Installation Test	0s
	5h 42m 17s

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