Add a few more OpenRPC methods for rstudioapi shims #38

Job	Run time
Check Python types	6m 32s
Lint	2m 19s
Test Positron IPyKernel (ubuntu-latest, 3.8)	4m 8s
Test Positron IPyKernel (macos-latest, 3.9)	4m 35s
Test Positron IPyKernel (windows-latest, 3.10)	7m 10s
Test Positron IPyKernel (ubuntu-latest, 3.11)	4m 6s
Python Tests (ubuntu-latest, 3.8, pytest<8.1.1)	2m 24s
Test Positron IPyKernel (ubuntu-latest, 3.12)	2m 15s
Test TypeScript (ubuntu-latest, 3.x, ts-unit)	4m 31s
Python Tests (macos-latest, 3.9, pytest<8.1.1)	3m 14s
Test TypeScript (ubuntu-latest, 3.x, functional)	3m 36s
Python Tests (windows-latest, 3.10, pytest<8.1.1)	5m 33s
Test TypeScript (macos-latest, 3.x, ts-unit)	6m 17s
Python Tests (ubuntu-latest, 3.11, pytest<8.1.1)	2m 14s
Test TypeScript (macos-latest, 3.x, venv)	6m 3s
Test TypeScript (macos-latest, 3.x, single-workspace)	6m 8s
Test TypeScript (macos-latest, 3.x, debugger)	5m 43s
Python Tests (ubuntu-latest, 3.12, pytest<8.1.1)	2m 26s
Test TypeScript (macos-latest, 3.x, functional)	4m 35s
Test TypeScript (macos-latest, 3.x, smoke)	13m 37s
Test TypeScript (windows-latest, 3.x, ts-unit)	12m 48s
Test TypeScript (windows-latest, 3.x, functional)	11m 51s
	2h 2m 5s

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